body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.topnav {
    overflow: hidden;
    background-color: #333;
}

.topnav a {
    float: left;
    color: #f2f2f2;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    font-size: 17px;
}

.topnav a:hover {
    background-color: #ddd;
    color: black;
}

.modal-body {
    padding: 2px 16px;
}

.modal-footer {
    padding: 2px 16px;
    background-color: #5cb85c;
    color: white;
}

.video-thumbnail-list {
    padding-left: 50px;
}

.whole {
    padding-left: 100px;
    display: flex;
}

#comments {
    padding-top: 20px;
}

.comment-author {
    font-size: 12px;
    color: grey;
}

.comment-ctime {
    font-size: 12px;
    color: grey;
}

.comment {
    font-size: 15px;
    color: black;
}

#comment-total {
    font-size: 18px;
    color: black;
    line-height: 3;
}

#curr-video-name {
    font-size: 18px;
    padding-top: 10px;
    line-height: 20px;
}
#curr-video-ctime {
    font-size: 10px;
    color: grey;
}

#snackbar {
    visibility: hidden;
    min-width: 250px;
    margin-left: -125px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    font-size: 17px;
}

#snackbar.show {
    visibility: visible;
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
}

#errorbar {
    visibility: hidden;
    min-width: 250px;
    margin-left: 125px;
    background-color: red;
    color: #fff;
    text-align: center;
    border-radius: 2px;
    padding: 16px;
    position: fixed;
    z-index: 1;
    left: 50%;
    bottom: 30px;
    font-size: 17px;
}

#errorbar.show {
    visibility: visible;
    -webkit-animation: fadein 0.5s, fadeout 0.5s 2.5s;
    animation: fadein 0.5s, fadeout 0.5s 2.5s;
}